Origin and Evolution of Life English Medium Free Online Test 1 Mark Questions 2020-2021

10th Standard

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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. Paleontologists deal with

    (a)

    Embryological evidences

    (b)

    Fossil evidences

    (c)

    Vestigial organ evidences

    (d)

    All the above

  2. The best way of direct dating fossils of recent origin is by

    (a)

    Radio-carbon method

    (b)

    Uranium lead method

    (c)

    Potassium-argon method

    (d)

    Both (a) and (c)

  3. _________ is called the Father of Palaeontology.

    (a)

    Pasteur

    (b)

    Birbal sahani

    (c)

    Haeckel

    (d)

    Leonardo da vinci

  4. Ancon sheep is an example of _________.

    (a)

    vestigial organ

    (b)

    discontinuous variation

    (c)

    acquired character

    (d)

    natural selection

  5. Biogenetic law or Recapitulation theory was given by__________

    (a)

    Leonardo da vinci

    (b)

    Ernst Haeckel

    (c)

    Oparin

    (d)

    Haldane

  6. Paleobotany is derived from Greek words Paleon that means _________.

    (a)

    old

    (b)

    new

    (c)

    past

    (d)

    aged

  7. _________ or sediments fill the hollow depression and forms a cast.

    (a)

    Rocks

    (b)

    Sand

    (c)

    Soil

    (d)

    Minerals

  8. Radioactive Carbon (C14) dating method was discovered by_________

    (a)

    w. F.Libby

    (b)

    Niels Bohr

    (c)

    Issac Newton

    (d)

    William Harvey

  9. Most _________ and wood fossils are petrified.

    (a)

    bone

    (b)

    soils

    (c)

    sands

    (d)

    rocks

  10. The degenerated wing of ___________ is an example for organ of disuse.

    (a)

    kiwi

    (b)

    chicken

    (c)

    duck

    (d)

    dove

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